This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 0 |
| 3 | 5253 |
| 4 | 54248 |
| 5 | 4190874 |
| 6 | 52793160 |
| 7 | 3478866516 |
| 8 | 51105257464 |
| 9 | 3013637890236 |
| 10 | 50103215952170 |
| 11 | 2690074942950538 |
| 12 | 49496986589768228 |
| 13 | 2453145792485211975 |
| 14 | 49093699484421451316 |
| 15 | 2273291621866265836761 |
| 16 | 48802745578218591419362 |